package com.robot.base.util;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.media.MediaMetadataRetriever;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

import java.util.Hashtable;

public class UriUtils {

    /**
	 * Get a file path from a Uri. This will get the the path for Storage Access 
	 * Framework Documents, as well as the _data field for the MediaStore and 
	 * other file-based ContentProviders. 
	 * 
	 * @param context The context. 
	 * @param uri The Uri to query. 
	 */  
	@SuppressLint("NewApi")
	public static String getPath(final Context context, final Uri uri) {
	  
	    final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
	  
	    // DocumentProvider  
	    if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
	        // ExternalStorageProvider  
	        if (isExternalStorageDocument(uri)) {  
	            final String docId = DocumentsContract.getDocumentId(uri);  
	            final String[] split = docId.split(":");  
	            final String type = split[0];  
	  
	            if ("primary".equalsIgnoreCase(type)) {  
	                return Environment.getExternalStorageDirectory() + "/" + split[1];
	            }  
	  
	            // TODO handle non-primary volumes  
	        }  
	        // DownloadsProvider  
	        else if (isDownloadsDocument(uri)) {  
	  
	            final String id = DocumentsContract.getDocumentId(uri);  
	            final Uri contentUri = ContentUris.withAppendedId(
	                    Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));  
	  
	            return getDataColumn(context, contentUri, null, null);  
	        }  
	        // MediaProvider  
	        else if (isMediaDocument(uri)) {  
	            final String docId = DocumentsContract.getDocumentId(uri);  
	            final String[] split = docId.split(":");  
	            final String type = split[0];  
	  
	            Uri contentUri = null;  
	            if ("image".equals(type)) {  
	                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
	            } else if ("video".equals(type)) {  
	                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;  
	            } else if ("audio".equals(type)) {  
	                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;  
	            }  
	  
	            final String selection = "_id=?";  
	            final String[] selectionArgs = new String[] {  
	                    split[1]  
	            };  
	  
	            return getDataColumn(context, contentUri, selection, selectionArgs);  
	        }  
	    }  
	    // MediaStore (and general)  
	    else if ("content".equalsIgnoreCase(uri.getScheme())) {  
	        return getDataColumn(context, uri, null, null);  
	    }  
	    // File  
	    else if ("file".equalsIgnoreCase(uri.getScheme())) {  
	        return uri.getPath();  
	    }  
	  
	    return null;  
	}  
	  
	/** 
	 * Get the value of the data column for this Uri. This is useful for 
	 * MediaStore Uris, and other file-based ContentProviders. 
	 * 
	 * @param context The context. 
	 * @param uri The Uri to query. 
	 * @param selection (Optional) Filter used in the query. 
	 * @param selectionArgs (Optional) Selection arguments used in the query. 
	 * @return The value of the _data column, which is typically a file path. 
	 */  
	public static String getDataColumn(Context context, Uri uri, String selection,  
	        String[] selectionArgs) {  
	  
	    Cursor cursor = null;
	    final String column = "_data";  
	    final String[] projection = {  
	            column  
	    };  
	  
	    try {  
	        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,  
	                null);  
	        if (cursor != null && cursor.moveToFirst()) {  
	            final int column_index = cursor.getColumnIndexOrThrow(column);  
	            return cursor.getString(column_index);  
	        }  
	    } finally {  
	        if (cursor != null)  
	            cursor.close();  
	    }  
	    return null;  
	}  
	  
	  
	/** 
	 * @param uri The Uri to check. 
	 * @return Whether the Uri authority is ExternalStorageProvider. 
	 */  
	public static boolean isExternalStorageDocument(Uri uri) {  
	    return "com.android.externalstorage.documents".equals(uri.getAuthority());  
	}  
	  
	/** 
	 * @param uri The Uri to check. 
	 * @return Whether the Uri authority is DownloadsProvider. 
	 */  
	public static boolean isDownloadsDocument(Uri uri) {  
	    return "com.android.providers.downloads.documents".equals(uri.getAuthority());  
	}  
	  
	/** 
	 * @param uri The Uri to check. 
	 * @return Whether the Uri authority is MediaProvider. 
	 */  
	public static boolean isMediaDocument(Uri uri) {  
	    return "com.android.providers.media.documents".equals(uri.getAuthority());  
	}




	/***
	 * 根据播放路径设置缩略图
	 * @param filePath 视频资源的路径
	 * @return 返回缩略图的Bitmap对象
	 */
	public static Bitmap getVideoThumbNail(String filePath) {
		Bitmap bitmap = null;
		MediaMetadataRetriever retriever = new MediaMetadataRetriever();
		try {
			retriever.setDataSource(filePath);
			bitmap = retriever.getFrameAtTime();
		}
		catch(IllegalArgumentException e) {
			e.printStackTrace();
		}
		catch (RuntimeException e) {
			e.printStackTrace();
		}
		finally {
			try {
				retriever.release();
			}
			catch (RuntimeException e) {
				e.printStackTrace();
			}
		}
		return bitmap;
	}


	/**
	 * 获取网络视频的第一帧图片
	 * @param filePath
	 * @param kind
	 * @return
	 */
	public static Bitmap createVideoThumbnail(String filePath, int kind)
	{
		Bitmap bitmap = null;
		MediaMetadataRetriever retriever = new MediaMetadataRetriever();
		try
		{
			if (filePath.startsWith("http://")
					|| filePath.startsWith("https://")
					|| filePath.startsWith("widevine://"))
			{
				retriever.setDataSource(filePath, new Hashtable<String, String>());
			}
			else
			{
				retriever.setDataSource(filePath);
			}
			bitmap = retriever.getFrameAtTime(0, MediaMetadataRetriever.OPTION_CLOSEST_SYNC); //retriever.getFrameAtTime(-1);
		}
		catch (IllegalArgumentException ex)
		{
			// Assume this is a corrupt video file
			ex.printStackTrace();
		}
		catch (RuntimeException ex)
		{
			// Assume this is a corrupt video file.
			ex.printStackTrace();
		}
		finally
		{
			try
			{
				retriever.release();
			}
			catch (RuntimeException ex)
			{
				// Ignore failures while cleaning up.
				ex.printStackTrace();
			}
		}

		if (bitmap == null)
		{
			return null;
		}

		if (kind == MediaStore.Images.Thumbnails.MINI_KIND)
		{//压缩图片 开始处
			// Scale down the bitmap if it's too large.
			int width = bitmap.getWidth();
			int height = bitmap.getHeight();
			int max = Math.max(width, height);
			if (max > 512)
			{
				float scale = 512f / max;
				int w = Math.round(scale * width);
				int h = Math.round(scale * height);
				bitmap = Bitmap.createScaledBitmap(bitmap, w, h, true);
			}//压缩图片 结束处
		}
		else if (kind == MediaStore.Images.Thumbnails.MICRO_KIND)
		{
			bitmap = ThumbnailUtils.extractThumbnail(bitmap,
					96,
					96,
					ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
		}
		return bitmap;
	}
}
